Question

what is the difference between 77² and 78²? * option
154, 155, 156, 157​

Answer 1

Answer:

$\huge \rm \underline{ \underline \red{Answer}}$

${78}^{2} - {77}^{2} \\ =6084 - 5929 \\ = 155$

Answer 2

Answer:

Answer is 155

because 77 square

and 78 cube is

6084 -5929 is 155

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